TY  - BOOK
AU  - Coburn,John W.
TI  - Precalculus
SN  - 9780072904697 (acidfree paper)
U1  - Cir. 515 C64 
PY  - 2007///
CY  - Boston
PB  - McGraw-Hill Higher Education
KW  - Functions
KW  - Trigonometry
N1  - Includes indexes
ER  -